Tattoo machine



FIG. 1 is a top-right isometric view of a first embodiment of a tattoo machine,

FIG. 2 is a bottom-left isometric view thereof,

FIG. 3 is front view thereof,

FIG. 4 is a back view thereof,

FIG. 5 is a side view thereof,

FIG. 6 is a top view thereof,

FIG. 7 is a bottom view thereof,

FIG. 8 is a side view of a second embodiment of said tattoo machine; and,

FIG. 9 is a top view thereof.

The broken lines in the drawings depict portions of the tattoo machine that form no part of the claimed design. 

CLAIM The ornamental design for a tattoo machine, substantially as shown and described. 